Page 84 - MNU-PM503 Parasitology practical book

Pharm D- Clinical Pharmacy Program Third Level Parasitology and virology (PM503)

11. How would this patient be treated?

12. Differentiate between the types of recurrence (relapse and

recrudescence) of this disease. What are the causes of each?

Case study (19):

A 33-year-old man with AIDS had been suffering from headache, fever and

fatigue for several weeks. He also had a history of disorientation, confusion and

convulsive attacks.

Serological tests for Toxoplasma-specific immunoglobulin M were negative. A

computed tomography (CT) revealed multiple cerebral lesions. After being treated

with a combination of pyrimethamine and sulfonamide, the patient appeared to

recover from the infection.

QUESTIONS

1. What is the likely diagnosis of this patient's parasitic illness?

2. What is the association between the patient's history of AIDS and his infection?

3. Which other group of individuals is at risk when infected with this parasite?

4. How is this infection transmitted?

5. Describe the infective sage(s), to man, of this protozoon.

6. Why was serology negative for this patient?

7. How is the diagnosis of this infection made?

8. How can this infection be prevented and controlled?

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